<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script src="../vue.js"></script>
    <title>Document</title>
</head>

<body>
    <div id="hello-vue" class="demo">
        <h1>
            hello {{age}}
            <br>
            hello {{message}}
        </h1>
    </div>
    
    <script>
        const x = new Vue({
            el: '#hello-vue', //css选择器
            data: {           //类数据
                age: "18",
                message: "abc",
            }
        })

    </script>
</body>

</html>